Recurring self recovering SHELF_FAULT alerts on a DS212C disk shelf
Applies to
- Disk Shelf DS212C
- Shelf module IOM12
Issue
Shelf fault messages are reported and corrected within few seconds
Sat Aug 15 00:04:39 GMT [node-1: dsa_worker0: ses.status.ModuleError:alert]: DS212-12 (S/N SHJHU123456789) shelf 20 on channel 2b SAS expander error for SAS shelf electronics 1: critical status. This module is on the rear of the shelf at the top left, on shelf module A.
Sat Aug 15 00:04:39 GMT [node-1: dsa_worker0: ses.status.ModuleError:alert]: DS212-12 (S/N SHJHU123456789) shelf 20 on channel 2b SAS expander error for SAS shelf electronics 2: critical status. This module is on the rear of the shelf at the top right, on shelf module B.
Sat Aug 15 00:04:48 GMT [node-1: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0c. Check fans, power supplies, disks, and temperature sensors.
Sat Aug 15 00:04:48 GMT [node-1: statd: callhome.shlf.fault:error]: Call home for SHELF_FAULT
Sat Aug 15 00:05:00 GMT [node-1: monitor: monitor.globalStatus.critical:EMERGENCY]: Disk shelf fault.
Sat Aug 15 00:05:24 GMT [node-1: dsa_worker5: ses.status.ModuleInfo:info]: DS212-12 (S/N SHJHU123456789) shelf 20 on channel 2b SAS expander information for SAS shelf electronics 1: normal status.
Sat Aug 15 00:05:24 GMT [node-1: dsa_worker5: ses.status.ModuleInfo:info]: DS212-12 (S/N SHJHU123456789) shelf 20 on channel 2b SAS expander information for SAS shelf electronics 2: normal status.
Sat Aug 15 00:05:33 GMT [node-1: statd: monitor.shelf.fault.ok:notice]: Fault previously reported on disk storage shelf attached to channel 0c has been corrected.
Sat Aug 15 00:06:00 GMT [node-1: monitor: monitor.globalStatus.ok:notice]: The system's global status is normal.